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Anisotropic Coarsening: Grain Shapes and Nonuniversal Persistence | | Andrew D. Rutenberg
; Benjamin P. Vollmayr-Lee
; | | Date: |
31 Mar 1999 | | Journal: | Phys. Rev. Lett. 83, 3772 (1999) DOI: 10.1103/PhysRevLett.83.3772 | | Subject: | Statistical Mechanics; Materials Science; Soft Condensed Matter | cond-mat.stat-mech cond-mat.mtrl-sci cond-mat.soft | | Affiliation: | McGill) and Benjamin P. Vollmayr-Lee (Bucknell | | Abstract: | We solve a coarsening system with small but arbitrary anisotropic surface tension and interface mobility. The resulting size-dependent growth shapes are significantly different from equilibrium microcrystallites, and have a distribution of grain sizes different from isotropic theories. As an application of our results, we show that the persistence decay exponent depends on anisotropy and hence is nonuniversal. | | Source: | arXiv, cond-mat/9903438 | | Services: | Forum | Review | PDF | Favorites | |
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